Zenith El Primero Chronomaster Open Rose Gold / Silver / Calf

Reference 18.3300.3604/69.C922

About this watch

The Zenith Chronomaster Open Rose Gold / Silver / Calf is a prime example of luxury watchmaking, combining elegant design with groundbreaking movement technology. This stunning timepiece features a rose gold case, silver sunburst dial, and calf leather strap, creating a sophisticated look that's perfect for formal occasions or casual outings. The round case measures 39.50 mm in diameter, ensuring it suits various wrist sizes. A sapphire crystal protects the dial, while an open case back allows you to admire the intricate El Primero 3604 movement within. This automatic chronograph movement operates at a remarkable frequency of 36,000 vibrations per hour, providing precision that few watches can match. With a central chronograph hand completing one full rotation every 10 seconds, you can measure elapsed time with remarkable accuracy. The calf leather strap adds a luxurious touch while ensuring comfort on the wrist. Certified as a chronometer, this watch has passed rigorous testing for accuracy and performance, making it perfect for those who value punctuality. With a power reserve of 60 hours, you can leave your watch unworn over the weekend and still find it ticking away on Monday morning.

Buy Now on Jomashop

This is an affiliate link

Key Features

Automatic Chronograph Movement with 36,000 VPH Frequency
Rose Gold Case with Sapphire Crystal
Silver Sunburst Dial with Stick and Dot Indexes
Calf Leather Strap for Comfort and Durability
1/10th of a Second Chronograph Functionality
100 Meter Water Resistance
60 Hour Power Reserve

Specifications

Brand

Zenith

Family

El Primero

Model

Chronomaster Open Rose Gold / Silver / Calf

Reference

18.3300.3604/69.C922

Movement Features

Hours, Minutes, Small Seconds
Chronograph, Column wheel

Case

Rose Gold 39.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

100

Current Listings

Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith - 03.3200.3600/69.C902 · $7,250

A 2023 Zenith Chronomaster Original "El Primero" with a blue leather deployant strap and an OEM bracelet.

Condition: Like new, little to no signs of wear
Case size: 38mm diameter
Bracelet style: OEM Zenith integrated bracelet

Posted at

Feb 11, 2026, 11:53 AM

Active

View listing on r/WatchExchange

Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary 96 1969 469/ 77 C683 ♦️Lightly Used 2014♦️

Zenith - 96 1969 469/ 77 C683 · $6,137

This Zenith El Primero New Vintage 1969 Limited Edition 40th Anniversary is a unique timepiece commemorating the anniversary of its iconic model. It features a limited edition reference number and comes with all original packaging and documentation.

Condition: Lightly Used
Year Of Manufacture: 2014
Date Of Manufacture: Q3 2014
Payment Methods: Bank Wire, Credit card (+4.9%), Crypto

Posted at

Feb 11, 2026, 3:59 AM

Active

View listing on r/WatchExchange

2025 NEW Zenith Chronomaster Sport White Dial "Panda" Bracelet El Primero 3600 41mm - 03.3100.3600/69.M3100

Zenith - 03.3100.3600/69.M3100 · $9,000

The Zenith Chronomaster Sport White Dial 'Panda' features a tri-color sub dial and the El Primero 3600 movement with 1/10th of a second chronograph. It has a 41mm case size, 60 hour power reserve, and an adjustable bracelet.

Condition: Brand new, unworn
Case Size: 41mm
Material: Stainless Steel
Movement: El Primero 3600

Posted at

Feb 10, 2026, 1:11 AM

Active

View listing on r/WatchExchange

INSANE Zenith El Primero Flyback Grande Chronomaster XT in 18K Gold COLLECTOR SET Ref 35.1250.4009

Zenith - 35.1250.4009 · $15,850

The Zenith El Primero Flyback Grande Chronomaster XT is a large and in charge dress watch with an incredible dial, featuring a guilloche pattern and off-white background that pops silver in the light. The watch is made of 18K solid yellow gold with a 43MM case diameter.

Condition: Mint, appears to have some wear given its age and material (18K gold)
Dial Color: Off-white
Case Size: 43MM diameter
Movement Type: Automatic chronograph

Posted at

Feb 8, 2026, 2:06 PM

Active

View listing on r/WatchExchange

Zenith Defy El Primero Extreme Diver - LOOK AT THIS AND TRY NOT TO SMILE - Full Set Ref 95.9601.3620/51.I301

Zenith - 95.9601.3620/51.I301 · $7,895

A modern iteration of the Zenith El Primero Defy diver, featuring a titanium case and an iconic movement.

Condition: Mint, with light wear on the case
Case Size: 42.5mm diameter
Dial Pattern: blue starry sunray pattern with bright orange accents
Movement Type: automatic cal 3620 CS

Posted at

Feb 7, 2026, 3:36 PM

Active

View listing on r/WatchExchange

Zenith Chronomaster Original “El Primero” 38mm, OEM Deployant Strap & New OEM Bracelet

Zenith - 03.3200.3600/69.C902 · $7,250

A 2023 Zenith Chronomaster Original 'El Primero' 38mm watch on a blue leather deployant strap, with an included OEM steel bracelet.

Condition: Like new
Bracelet type: OEM steel integrated
Strap type: Zenith blue leather deployant

Posted at

Feb 5, 2026, 8:29 PM

Active

View listing on r/WatchExchange

Zenith - 49.9010.9004/01.R947 Defy El Primero 21 Chroma 🎨 limited to 200 pieces

Zenith - 49.9010.9004/01.R947 · $10,500

This listing is for a Zenith Defy El Primero 21 Chroma limited to 200 pieces, which is a complete set from 2022.

Condition: Mint condition
Year: 2022
Quantity Produced: limited to 200 pieces

Posted at

Feb 5, 2026, 1:22 PM

Active

View listing on r/WatchExchange

2017 Zenith Chronomaster El Primero "Open Heart" 03.2040.4061/23.C496 - Box/Papers, Two Straps, Excellent Shape

Zenith - 03.2040.4061/23.C496 · $5,999

The Zenith Chronomaster El Primero 'Open Heart' is a striking example of an open heart masterpiece, highlighting the legendary El Primero movement through an open-heart aperture on the dial.

Condition: Excellent pre-owned condition
Case Size: 42mm
Movement Power Reserve: ~50-hour
Water Resistance: 100m depth rating

Posted at

Feb 5, 2026, 12:37 AM

Active

View listing on r/WatchExchange